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-rw-r--r--fs/fat/cache.c19
-rw-r--r--fs/fat/dir.c2
-rw-r--r--fs/fat/fat.h12
-rw-r--r--fs/fat/fatent.c108
-rw-r--r--fs/fat/file.c33
-rw-r--r--fs/fat/inode.c40
-rw-r--r--fs/fat/misc.c13
-rw-r--r--fs/fat/namei_msdos.c17
-rw-r--r--fs/fat/namei_vfat.c20
9 files changed, 199 insertions, 65 deletions
diff --git a/fs/fat/cache.c b/fs/fat/cache.c
index e9bed49df6b7..78d501c1fb65 100644
--- a/fs/fat/cache.c
+++ b/fs/fat/cache.c
@@ -225,7 +225,8 @@ static inline void cache_init(struct fat_cache_id *cid, int fclus, int dclus)
int fat_get_cluster(struct inode *inode, int cluster, int *fclus, int *dclus)
{
struct super_block *sb = inode->i_sb;
- const int limit = sb->s_maxbytes >> MSDOS_SB(sb)->cluster_bits;
+ struct msdos_sb_info *sbi = MSDOS_SB(sb);
+ const int limit = sb->s_maxbytes >> sbi->cluster_bits;
struct fat_entry fatent;
struct fat_cache_id cid;
int nr;
@@ -234,6 +235,12 @@ int fat_get_cluster(struct inode *inode, int cluster, int *fclus, int *dclus)
*fclus = 0;
*dclus = MSDOS_I(inode)->i_start;
+ if (!fat_valid_entry(sbi, *dclus)) {
+ fat_fs_error_ratelimit(sb,
+ "%s: invalid start cluster (i_pos %lld, start %08x)",
+ __func__, MSDOS_I(inode)->i_pos, *dclus);
+ return -EIO;
+ }
if (cluster == 0)
return 0;
@@ -250,9 +257,8 @@ int fat_get_cluster(struct inode *inode, int cluster, int *fclus, int *dclus)
/* prevent the infinite loop of cluster chain */
if (*fclus > limit) {
fat_fs_error_ratelimit(sb,
- "%s: detected the cluster chain loop"
- " (i_pos %lld)", __func__,
- MSDOS_I(inode)->i_pos);
+ "%s: detected the cluster chain loop (i_pos %lld)",
+ __func__, MSDOS_I(inode)->i_pos);
nr = -EIO;
goto out;
}
@@ -262,9 +268,8 @@ int fat_get_cluster(struct inode *inode, int cluster, int *fclus, int *dclus)
goto out;
else if (nr == FAT_ENT_FREE) {
fat_fs_error_ratelimit(sb,
- "%s: invalid cluster chain (i_pos %lld)",
- __func__,
- MSDOS_I(inode)->i_pos);
+ "%s: invalid cluster chain (i_pos %lld)",
+ __func__, MSDOS_I(inode)->i_pos);
nr = -EIO;
goto out;
} else if (nr == FAT_ENT_EOF) {
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 8e100c3bf72c..7f5f3699fc6c 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -1130,7 +1130,7 @@ error:
return err;
}
-int fat_alloc_new_dir(struct inode *dir, struct timespec *ts)
+int fat_alloc_new_dir(struct inode *dir, struct timespec64 *ts)
{
struct super_block *sb = dir->i_sb;
struct msdos_sb_info *sbi = MSDOS_SB(sb);
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 8fc1093da47d..9d7d2d5da28b 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -304,7 +304,7 @@ extern int fat_scan_logstart(struct inode *dir, int i_logstart,
struct fat_slot_info *sinfo);
extern int fat_get_dotdot_entry(struct inode *dir, struct buffer_head **bh,
struct msdos_dir_entry **de);
-extern int fat_alloc_new_dir(struct inode *dir, struct timespec *ts);
+extern int fat_alloc_new_dir(struct inode *dir, struct timespec64 *ts);
extern int fat_add_entries(struct inode *dir, void *slots, int nr_slots,
struct fat_slot_info *sinfo);
extern int fat_remove_entries(struct inode *dir, struct fat_slot_info *sinfo);
@@ -348,6 +348,11 @@ static inline void fatent_brelse(struct fat_entry *fatent)
fatent->fat_inode = NULL;
}
+static inline bool fat_valid_entry(struct msdos_sb_info *sbi, int entry)
+{
+ return FAT_START_ENT <= entry && entry < sbi->max_cluster;
+}
+
extern void fat_ent_access_init(struct super_block *sb);
extern int fat_ent_read(struct inode *inode, struct fat_entry *fatent,
int entry);
@@ -357,6 +362,7 @@ extern int fat_alloc_clusters(struct inode *inode, int *cluster,
int nr_cluster);
extern int fat_free_clusters(struct inode *inode, int cluster);
extern int fat_count_free_clusters(struct super_block *sb);
+extern int fat_trim_fs(struct inode *inode, struct fstrim_range *range);
/* fat/file.c */
extern long fat_generic_ioctl(struct file *filp, unsigned int cmd,
@@ -406,9 +412,9 @@ void fat_msg(struct super_block *sb, const char *level, const char *fmt, ...);
} while (0)
extern int fat_clusters_flush(struct super_block *sb);
extern int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster);
-extern void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec *ts,
+extern void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 __time, __le16 __date, u8 time_cs);
-extern void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec *ts,
+extern void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 *time, __le16 *date, u8 *time_cs);
extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs);
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index bac10de678cc..defc2168de91 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -4,6 +4,7 @@
*/
#include <linux/blkdev.h>
+#include <linux/sched/signal.h>
#include "fat.h"
struct fatent_operations {
@@ -23,7 +24,7 @@ static void fat12_ent_blocknr(struct super_block *sb, int entry,
{
struct msdos_sb_info *sbi = MSDOS_SB(sb);
int bytes = entry + (entry >> 1);
- WARN_ON(entry < FAT_START_ENT || sbi->max_cluster <= entry);
+ WARN_ON(!fat_valid_entry(sbi, entry));
*offset = bytes & (sb->s_blocksize - 1);
*blocknr = sbi->fat_start + (bytes >> sb->s_blocksize_bits);
}
@@ -33,7 +34,7 @@ static void fat_ent_blocknr(struct super_block *sb, int entry,
{
struct msdos_sb_info *sbi = MSDOS_SB(sb);
int bytes = (entry << sbi->fatent_shift);
- WARN_ON(entry < FAT_START_ENT || sbi->max_cluster <= entry);
+ WARN_ON(!fat_valid_entry(sbi, entry));
*offset = bytes & (sb->s_blocksize - 1);
*blocknr = sbi->fat_start + (bytes >> sb->s_blocksize_bits);
}
@@ -353,7 +354,7 @@ int fat_ent_read(struct inode *inode, struct fat_entry *fatent, int entry)
int err, offset;
sector_t blocknr;
- if (entry < FAT_START_ENT || sbi->max_cluster <= entry) {
+ if (!fat_valid_entry(sbi, entry)) {
fatent_brelse(fatent);
fat_fs_error(sb, "invalid access to FAT (entry 0x%08x)", entry);
return -EIO;
@@ -690,3 +691,104 @@ out:
unlock_fat(sbi);
return err;
}
+
+static int fat_trim_clusters(struct super_block *sb, u32 clus, u32 nr_clus)
+{
+ struct msdos_sb_info *sbi = MSDOS_SB(sb);
+ return sb_issue_discard(sb, fat_clus_to_blknr(sbi, clus),
+ nr_clus * sbi->sec_per_clus, GFP_NOFS, 0);
+}
+
+int fat_trim_fs(struct inode *inode, struct fstrim_range *range)
+{
+ struct super_block *sb = inode->i_sb;
+ struct msdos_sb_info *sbi = MSDOS_SB(sb);
+ const struct fatent_operations *ops = sbi->fatent_ops;
+ struct fat_entry fatent;
+ u64 ent_start, ent_end, minlen, trimmed = 0;
+ u32 free = 0;
+ unsigned long reada_blocks, reada_mask, cur_block = 0;
+ int err = 0;
+
+ /*
+ * FAT data is organized as clusters, trim at the granulary of cluster.
+ *
+ * fstrim_range is in byte, convert vaules to cluster index.
+ * Treat sectors before data region as all used, not to trim them.
+ */
+ ent_start = max_t(u64, range->start>>sbi->cluster_bits, FAT_START_ENT);
+ ent_end = ent_start + (range->len >> sbi->cluster_bits) - 1;
+ minlen = range->minlen >> sbi->cluster_bits;
+
+ if (ent_start >= sbi->max_cluster || range->len < sbi->cluster_size)
+ return -EINVAL;
+ if (ent_end >= sbi->max_cluster)
+ ent_end = sbi->max_cluster - 1;
+
+ reada_blocks = FAT_READA_SIZE >> sb->s_blocksize_bits;
+ reada_mask = reada_blocks - 1;
+
+ fatent_init(&fatent);
+ lock_fat(sbi);
+ fatent_set_entry(&fatent, ent_start);
+ while (fatent.entry <= ent_end) {
+ /* readahead of fat blocks */
+ if ((cur_block & reada_mask) == 0) {
+ unsigned long rest = sbi->fat_length - cur_block;
+ fat_ent_reada(sb, &fatent, min(reada_blocks, rest));
+ }
+ cur_block++;
+
+ err = fat_ent_read_block(sb, &fatent);
+ if (err)
+ goto error;
+ do {
+ if (ops->ent_get(&fatent) == FAT_ENT_FREE) {
+ free++;
+ } else if (free) {
+ if (free >= minlen) {
+ u32 clus = fatent.entry - free;
+
+ err = fat_trim_clusters(sb, clus, free);
+ if (err && err != -EOPNOTSUPP)
+ goto error;
+ if (!err)
+ trimmed += free;
+ err = 0;
+ }
+ free = 0;
+ }
+ } while (fat_ent_next(sbi, &fatent) && fatent.entry <= ent_end);
+
+ if (fatal_signal_pending(current)) {
+ err = -ERESTARTSYS;
+ goto error;
+ }
+
+ if (need_resched()) {
+ fatent_brelse(&fatent);
+ unlock_fat(sbi);
+ cond_resched();
+ lock_fat(sbi);
+ }
+ }
+ /* handle scenario when tail entries are all free */
+ if (free && free >= minlen) {
+ u32 clus = fatent.entry - free;
+
+ err = fat_trim_clusters(sb, clus, free);
+ if (err && err != -EOPNOTSUPP)
+ goto error;
+ if (!err)
+ trimmed += free;
+ err = 0;
+ }
+
+error:
+ fatent_brelse(&fatent);
+ unlock_fat(sbi);
+
+ range->len = trimmed << sbi->cluster_bits;
+
+ return err;
+}
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 4724cc9ad650..4f3d72fb1e60 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -121,6 +121,37 @@ static int fat_ioctl_get_volume_id(struct inode *inode, u32 __user *user_attr)
return put_user(sbi->vol_id, user_attr);
}
+static int fat_ioctl_fitrim(struct inode *inode, unsigned long arg)
+{
+ struct super_block *sb = inode->i_sb;
+ struct fstrim_range __user *user_range;
+ struct fstrim_range range;
+ struct request_queue *q = bdev_get_queue(sb->s_bdev);
+ int err;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (!blk_queue_discard(q))
+ return -EOPNOTSUPP;
+
+ user_range = (struct fstrim_range __user *)arg;
+ if (copy_from_user(&range, user_range, sizeof(range)))
+ return -EFAULT;
+
+ range.minlen = max_t(unsigned int, range.minlen,
+ q->limits.discard_granularity);
+
+ err = fat_trim_fs(inode, &range);
+ if (err < 0)
+ return err;
+
+ if (copy_to_user(user_range, &range, sizeof(range)))
+ return -EFAULT;
+
+ return 0;
+}
+
long fat_generic_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct inode *inode = file_inode(filp);
@@ -133,6 +164,8 @@ long fat_generic_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return fat_ioctl_set_attributes(filp, user_attr);
case FAT_IOCTL_GET_VOLUME_ID:
return fat_ioctl_get_volume_id(inode, user_attr);
+ case FITRIM:
+ return fat_ioctl_fitrim(inode, arg);
default:
return -ENOTTY; /* Inappropriate ioctl for device */
}
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 065dc919a0ce..d6b81e31f9f5 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -508,7 +508,6 @@ static int fat_validate_dir(struct inode *dir)
/* doesn't deal with root inode */
int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
{
- struct timespec ts;
struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
int error;
@@ -559,14 +558,11 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
inode->i_blocks = ((inode->i_size + (sbi->cluster_size - 1))
& ~((loff_t)sbi->cluster_size - 1)) >> 9;
- fat_time_fat2unix(sbi, &ts, de->time, de->date, 0);
- inode->i_mtime = timespec_to_timespec64(ts);
+ fat_time_fat2unix(sbi, &inode->i_mtime, de->time, de->date, 0);
if (sbi->options.isvfat) {
- fat_time_fat2unix(sbi, &ts, de->ctime,
+ fat_time_fat2unix(sbi, &inode->i_ctime, de->ctime,
de->cdate, de->ctime_cs);
- inode->i_ctime = timespec_to_timespec64(ts);
- fat_time_fat2unix(sbi, &ts, 0, de->adate, 0);
- inode->i_atime = timespec_to_timespec64(ts);
+ fat_time_fat2unix(sbi, &inode->i_atime, 0, de->adate, 0);
} else
inode->i_ctime = inode->i_atime = inode->i_mtime;
@@ -707,13 +703,21 @@ static void fat_set_state(struct super_block *sb,
brelse(bh);
}
+static void fat_reset_iocharset(struct fat_mount_options *opts)
+{
+ if (opts->iocharset != fat_default_iocharset) {
+ /* Note: opts->iocharset can be NULL here */
+ kfree(opts->iocharset);
+ opts->iocharset = fat_default_iocharset;
+ }
+}
+
static void delayed_free(struct rcu_head *p)
{
struct msdos_sb_info *sbi = container_of(p, struct msdos_sb_info, rcu);
unload_nls(sbi->nls_disk);
unload_nls(sbi->nls_io);
- if (sbi->options.iocharset != fat_default_iocharset)
- kfree(sbi->options.iocharset);
+ fat_reset_iocharset(&sbi->options);
kfree(sbi);
}
@@ -835,7 +839,6 @@ static int fat_statfs(struct dentry *dentry, struct kstatfs *buf)
static int __fat_write_inode(struct inode *inode, int wait)
{
- struct timespec ts;
struct super_block *sb = inode->i_sb;
struct msdos_sb_info *sbi = MSDOS_SB(sb);
struct buffer_head *bh;
@@ -873,16 +876,13 @@ retry:
raw_entry->size = cpu_to_le32(inode->i_size);
raw_entry->attr = fat_make_attrs(inode);
fat_set_start(raw_entry, MSDOS_I(inode)->i_logstart);
- ts = timespec64_to_timespec(inode->i_mtime);
- fat_time_unix2fat(sbi, &ts, &raw_entry->time,
+ fat_time_unix2fat(sbi, &inode->i_mtime, &raw_entry->time,
&raw_entry->date, NULL);
if (sbi->options.isvfat) {
__le16 atime;
- ts = timespec64_to_timespec(inode->i_ctime);
- fat_time_unix2fat(sbi, &ts, &raw_entry->ctime,
+ fat_time_unix2fat(sbi, &inode->i_ctime, &raw_entry->ctime,
&raw_entry->cdate, &raw_entry->ctime_cs);
- ts = timespec64_to_timespec(inode->i_atime);
- fat_time_unix2fat(sbi, &ts, &atime,
+ fat_time_unix2fat(sbi, &inode->i_atime, &atime,
&raw_entry->adate, NULL);
}
spin_unlock(&sbi->inode_hash_lock);
@@ -1132,7 +1132,7 @@ static int parse_options(struct super_block *sb, char *options, int is_vfat,
opts->fs_fmask = opts->fs_dmask = current_umask();
opts->allow_utime = -1;
opts->codepage = fat_default_codepage;
- opts->iocharset = fat_default_iocharset;
+ fat_reset_iocharset(opts);
if (is_vfat) {
opts->shortname = VFAT_SFN_DISPLAY_WINNT|VFAT_SFN_CREATE_WIN95;
opts->rodir = 0;
@@ -1289,8 +1289,7 @@ static int parse_options(struct super_block *sb, char *options, int is_vfat,
/* vfat specific */
case Opt_charset:
- if (opts->iocharset != fat_default_iocharset)
- kfree(opts->iocharset);
+ fat_reset_iocharset(opts);
iocharset = match_strdup(&args[0]);
if (!iocharset)
return -ENOMEM;
@@ -1881,8 +1880,7 @@ out_fail:
iput(fat_inode);
unload_nls(sbi->nls_io);
unload_nls(sbi->nls_disk);
- if (sbi->options.iocharset != fat_default_iocharset)
- kfree(sbi->options.iocharset);
+ fat_reset_iocharset(&sbi->options);
sb->s_fs_info = NULL;
kfree(sbi);
return error;
diff --git a/fs/fat/misc.c b/fs/fat/misc.c
index f9bdc1e01c98..573836dcaefc 100644
--- a/fs/fat/misc.c
+++ b/fs/fat/misc.c
@@ -180,17 +180,18 @@ int fat_chain_add(struct inode *inode, int new_dclus, int nr_cluster)
#define IS_LEAP_YEAR(y) (!((y) & 3) && (y) != YEAR_2100)
/* Linear day numbers of the respective 1sts in non-leap years. */
-static time_t days_in_year[] = {
+static long days_in_year[] = {
/* Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec */
0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 0, 0, 0,
};
/* Convert a FAT time/date pair to a UNIX date (seconds since 1 1 70). */
-void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec *ts,
+void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 __time, __le16 __date, u8 time_cs)
{
u16 time = le16_to_cpu(__time), date = le16_to_cpu(__date);
- time_t second, day, leap_day, month, year;
+ time64_t second;
+ long day, leap_day, month, year;
year = date >> 9;
month = max(1, (date >> 5) & 0xf);
@@ -205,7 +206,7 @@ void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec *ts,
second = (time & 0x1f) << 1;
second += ((time >> 5) & 0x3f) * SECS_PER_MIN;
second += (time >> 11) * SECS_PER_HOUR;
- second += (year * 365 + leap_day
+ second += (time64_t)(year * 365 + leap_day
+ days_in_year[month] + day
+ DAYS_DELTA) * SECS_PER_DAY;
@@ -224,11 +225,11 @@ void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec *ts,
}
/* Convert linear UNIX date to a FAT time/date pair. */
-void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec *ts,
+void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec64 *ts,
__le16 *time, __le16 *date, u8 *time_cs)
{
struct tm tm;
- time_to_tm(ts->tv_sec,
+ time64_to_tm(ts->tv_sec,
(sbi->options.tz_set ? sbi->options.time_offset :
-sys_tz.tz_minuteswest) * SECS_PER_MIN, &tm);
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index 16a832c37d66..efb8c40c9d27 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -225,7 +225,7 @@ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry,
/***** Creates a directory entry (name is already formatted). */
static int msdos_add_entry(struct inode *dir, const unsigned char *name,
int is_dir, int is_hid, int cluster,
- struct timespec *ts, struct fat_slot_info *sinfo)
+ struct timespec64 *ts, struct fat_slot_info *sinfo)
{
struct msdos_sb_info *sbi = MSDOS_SB(dir->i_sb);
struct msdos_dir_entry de;
@@ -250,7 +250,7 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name,
if (err)
return err;
- dir->i_ctime = dir->i_mtime = timespec_to_timespec64(*ts);
+ dir->i_ctime = dir->i_mtime = *ts;
if (IS_DIRSYNC(dir))
(void)fat_sync_inode(dir);
else
@@ -267,7 +267,6 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode,
struct inode *inode = NULL;
struct fat_slot_info sinfo;
struct timespec64 ts;
- struct timespec t;
unsigned char msdos_name[MSDOS_NAME];
int err, is_hid;
@@ -286,8 +285,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode,
}
ts = current_time(dir);
- t = timespec64_to_timespec(ts);
- err = msdos_add_entry(dir, msdos_name, 0, is_hid, 0, &t, &sinfo);
+ err = msdos_add_entry(dir, msdos_name, 0, is_hid, 0, &ts, &sinfo);
if (err)
goto out;
inode = fat_build_inode(sb, sinfo.de, sinfo.i_pos);
@@ -347,7 +345,6 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
struct inode *inode;
unsigned char msdos_name[MSDOS_NAME];
struct timespec64 ts;
- struct timespec t;
int err, is_hid, cluster;
mutex_lock(&MSDOS_SB(sb)->s_lock);
@@ -365,13 +362,12 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
}
ts = current_time(dir);
- t = timespec64_to_timespec(ts);
- cluster = fat_alloc_new_dir(dir, &t);
+ cluster = fat_alloc_new_dir(dir, &ts);
if (cluster < 0) {
err = cluster;
goto out;
}
- err = msdos_add_entry(dir, msdos_name, 1, is_hid, cluster, &t, &sinfo);
+ err = msdos_add_entry(dir, msdos_name, 1, is_hid, cluster, &ts, &sinfo);
if (err)
goto out_free;
inc_nlink(dir);
@@ -503,9 +499,8 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
new_i_pos = MSDOS_I(new_inode)->i_pos;
fat_detach(new_inode);
} else {
- struct timespec t = timespec64_to_timespec(ts);
err = msdos_add_entry(new_dir, new_name, is_dir, is_hid, 0,
- &t, &sinfo);
+ &ts, &sinfo);
if (err)
goto out;
new_i_pos = sinfo.i_pos;
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index 9a5469120caa..82cd1e69cbdf 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -577,7 +577,7 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
static int vfat_build_slots(struct inode *dir, const unsigned char *name,
int len, int is_dir, int cluster,
- struct timespec *ts,
+ struct timespec64 *ts,
struct msdos_dir_slot *slots, int *nr_slots)
{
struct msdos_sb_info *sbi = MSDOS_SB(dir->i_sb);
@@ -653,7 +653,7 @@ out_free:
}
static int vfat_add_entry(struct inode *dir, const struct qstr *qname,
- int is_dir, int cluster, struct timespec *ts,
+ int is_dir, int cluster, struct timespec64 *ts,
struct fat_slot_info *sinfo)
{
struct msdos_dir_slot *slots;
@@ -678,7 +678,7 @@ static int vfat_add_entry(struct inode *dir, const struct qstr *qname,
goto cleanup;
/* update timestamp */
- dir->i_ctime = dir->i_mtime = dir->i_atime = timespec_to_timespec64(*ts);
+ dir->i_ctime = dir->i_mtime = dir->i_atime = *ts;
if (IS_DIRSYNC(dir))
(void)fat_sync_inode(dir);
else
@@ -762,14 +762,12 @@ static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
struct inode *inode;
struct fat_slot_info sinfo;
struct timespec64 ts;
- struct timespec t;
int err;
mutex_lock(&MSDOS_SB(sb)->s_lock);
ts = current_time(dir);
- t = timespec64_to_timespec(ts);
- err = vfat_add_entry(dir, &dentry->d_name, 0, 0, &t, &sinfo);
+ err = vfat_add_entry(dir, &dentry->d_name, 0, 0, &ts, &sinfo);
if (err)
goto out;
inode_inc_iversion(dir);
@@ -853,19 +851,17 @@ static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
struct inode *inode;
struct fat_slot_info sinfo;
struct timespec64 ts;
- struct timespec t;
int err, cluster;
mutex_lock(&MSDOS_SB(sb)->s_lock);
ts = current_time(dir);
- t = timespec64_to_timespec(ts);
- cluster = fat_alloc_new_dir(dir, &t);
+ cluster = fat_alloc_new_dir(dir, &ts);
if (cluster < 0) {
err = cluster;
goto out;
}
- err = vfat_add_entry(dir, &dentry->d_name, 1, cluster, &t, &sinfo);
+ err = vfat_add_entry(dir, &dentry->d_name, 1, cluster, &ts, &sinfo);
if (err)
goto out_free;
inode_inc_iversion(dir);
@@ -904,7 +900,6 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *old_inode, *new_inode;
struct fat_slot_info old_sinfo, sinfo;
struct timespec64 ts;
- struct timespec t;
loff_t new_i_pos;
int err, is_dir, update_dotdot, corrupt = 0;
struct super_block *sb = old_dir->i_sb;
@@ -939,9 +934,8 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
new_i_pos = MSDOS_I(new_inode)->i_pos;
fat_detach(new_inode);
} else {
- t = timespec64_to_timespec(ts);
err = vfat_add_entry(new_dir, &new_dentry->d_name, is_dir, 0,
- &t, &sinfo);
+ &ts, &sinfo);
if (err)
goto out;
new_i_pos = sinfo.i_pos;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-18 05:11:57 +0300