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Diffstat (limited to 'fs/ntfs3/frecord.c')
-rw-r--r--fs/ntfs3/frecord.c226
1 files changed, 58 insertions, 168 deletions
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index 8b39d0ce5f28..8f9fe1d7a690 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -75,7 +75,7 @@ struct ATTR_STD_INFO *ni_std(struct ntfs_inode *ni)
{
const struct ATTRIB *attr;
- attr = mi_find_attr(&ni->mi, NULL, ATTR_STD, NULL, 0, NULL);
+ attr = mi_find_attr(ni, &ni->mi, NULL, ATTR_STD, NULL, 0, NULL);
return attr ? resident_data_ex(attr, sizeof(struct ATTR_STD_INFO)) :
NULL;
}
@@ -89,7 +89,7 @@ struct ATTR_STD_INFO5 *ni_std5(struct ntfs_inode *ni)
{
const struct ATTRIB *attr;
- attr = mi_find_attr(&ni->mi, NULL, ATTR_STD, NULL, 0, NULL);
+ attr = mi_find_attr(ni, &ni->mi, NULL, ATTR_STD, NULL, 0, NULL);
return attr ? resident_data_ex(attr, sizeof(struct ATTR_STD_INFO5)) :
NULL;
@@ -148,8 +148,10 @@ int ni_load_mi_ex(struct ntfs_inode *ni, CLST rno, struct mft_inode **mi)
goto out;
err = mi_get(ni->mi.sbi, rno, &r);
- if (err)
+ if (err) {
+ _ntfs_bad_inode(&ni->vfs_inode);
return err;
+ }
ni_add_mi(ni, r);
@@ -201,7 +203,8 @@ struct ATTRIB *ni_find_attr(struct ntfs_inode *ni, struct ATTRIB *attr,
*mi = &ni->mi;
/* Look for required attribute in primary record. */
- return mi_find_attr(&ni->mi, attr, type, name, name_len, NULL);
+ return mi_find_attr(ni, &ni->mi, attr, type, name, name_len,
+ NULL);
}
/* First look for list entry of required type. */
@@ -217,7 +220,7 @@ struct ATTRIB *ni_find_attr(struct ntfs_inode *ni, struct ATTRIB *attr,
return NULL;
/* Look for required attribute. */
- attr = mi_find_attr(m, NULL, type, name, name_len, &le->id);
+ attr = mi_find_attr(ni, m, NULL, type, name, name_len, &le->id);
if (!attr)
goto out;
@@ -238,8 +241,7 @@ struct ATTRIB *ni_find_attr(struct ntfs_inode *ni, struct ATTRIB *attr,
return attr;
out:
- ntfs_inode_err(&ni->vfs_inode, "failed to parse mft record");
- ntfs_set_state(ni->mi.sbi, NTFS_DIRTY_ERROR);
+ _ntfs_bad_inode(&ni->vfs_inode);
return NULL;
}
@@ -259,7 +261,7 @@ struct ATTRIB *ni_enum_attr_ex(struct ntfs_inode *ni, struct ATTRIB *attr,
if (mi)
*mi = &ni->mi;
/* Enum attributes in primary record. */
- return mi_enum_attr(&ni->mi, attr);
+ return mi_enum_attr(ni, &ni->mi, attr);
}
/* Get next list entry. */
@@ -275,62 +277,7 @@ struct ATTRIB *ni_enum_attr_ex(struct ntfs_inode *ni, struct ATTRIB *attr,
*mi = mi2;
/* Find attribute in loaded record. */
- return rec_find_attr_le(mi2, le2);
-}
-
-/*
- * ni_load_attr - Load attribute that contains given VCN.
- */
-struct ATTRIB *ni_load_attr(struct ntfs_inode *ni, enum ATTR_TYPE type,
- const __le16 *name, u8 name_len, CLST vcn,
- struct mft_inode **pmi)
-{
- struct ATTR_LIST_ENTRY *le;
- struct ATTRIB *attr;
- struct mft_inode *mi;
- struct ATTR_LIST_ENTRY *next;
-
- if (!ni->attr_list.size) {
- if (pmi)
- *pmi = &ni->mi;
- return mi_find_attr(&ni->mi, NULL, type, name, name_len, NULL);
- }
-
- le = al_find_ex(ni, NULL, type, name, name_len, NULL);
- if (!le)
- return NULL;
-
- /*
- * Unfortunately ATTR_LIST_ENTRY contains only start VCN.
- * So to find the ATTRIB segment that contains 'vcn' we should
- * enumerate some entries.
- */
- if (vcn) {
- for (;; le = next) {
- next = al_find_ex(ni, le, type, name, name_len, NULL);
- if (!next || le64_to_cpu(next->vcn) > vcn)
- break;
- }
- }
-
- if (ni_load_mi(ni, le, &mi))
- return NULL;
-
- if (pmi)
- *pmi = mi;
-
- attr = mi_find_attr(mi, NULL, type, name, name_len, &le->id);
- if (!attr)
- return NULL;
-
- if (!attr->non_res)
- return attr;
-
- if (le64_to_cpu(attr->nres.svcn) <= vcn &&
- vcn <= le64_to_cpu(attr->nres.evcn))
- return attr;
-
- return NULL;
+ return rec_find_attr_le(ni, mi2, le2);
}
/*
@@ -398,7 +345,8 @@ int ni_remove_attr(struct ntfs_inode *ni, enum ATTR_TYPE type,
int diff;
if (base_only || type == ATTR_LIST || !ni->attr_list.size) {
- attr = mi_find_attr(&ni->mi, NULL, type, name, name_len, id);
+ attr = mi_find_attr(ni, &ni->mi, NULL, type, name, name_len,
+ id);
if (!attr)
return -ENOENT;
@@ -437,7 +385,7 @@ next_le2:
al_remove_le(ni, le);
- attr = mi_find_attr(mi, NULL, type, name, name_len, id);
+ attr = mi_find_attr(ni, mi, NULL, type, name, name_len, id);
if (!attr)
return -ENOENT;
@@ -485,7 +433,7 @@ ni_ins_new_attr(struct ntfs_inode *ni, struct mft_inode *mi,
name = le->name;
}
- attr = mi_insert_attr(mi, type, name, name_len, asize, name_off);
+ attr = mi_insert_attr(ni, mi, type, name, name_len, asize, name_off);
if (!attr) {
if (le_added)
al_remove_le(ni, le);
@@ -673,7 +621,7 @@ static int ni_try_remove_attr_list(struct ntfs_inode *ni)
if (err)
return err;
- attr_list = mi_find_attr(&ni->mi, NULL, ATTR_LIST, NULL, 0, NULL);
+ attr_list = mi_find_attr(ni, &ni->mi, NULL, ATTR_LIST, NULL, 0, NULL);
if (!attr_list)
return 0;
@@ -695,7 +643,7 @@ static int ni_try_remove_attr_list(struct ntfs_inode *ni)
if (!mi)
return 0;
- attr = mi_find_attr(mi, NULL, le->type, le_name(le),
+ attr = mi_find_attr(ni, mi, NULL, le->type, le_name(le),
le->name_len, &le->id);
if (!attr)
return 0;
@@ -731,7 +679,7 @@ static int ni_try_remove_attr_list(struct ntfs_inode *ni)
goto out;
}
- attr = mi_find_attr(mi, NULL, le->type, le_name(le),
+ attr = mi_find_attr(ni, mi, NULL, le->type, le_name(le),
le->name_len, &le->id);
if (!attr) {
/* Should never happened, 'cause already checked. */
@@ -740,7 +688,7 @@ static int ni_try_remove_attr_list(struct ntfs_inode *ni)
asize = le32_to_cpu(attr->size);
/* Insert into primary record. */
- attr_ins = mi_insert_attr(&ni->mi, le->type, le_name(le),
+ attr_ins = mi_insert_attr(ni, &ni->mi, le->type, le_name(le),
le->name_len, asize,
le16_to_cpu(attr->name_off));
if (!attr_ins) {
@@ -768,7 +716,7 @@ static int ni_try_remove_attr_list(struct ntfs_inode *ni)
if (!mi)
continue;
- attr = mi_find_attr(mi, NULL, le->type, le_name(le),
+ attr = mi_find_attr(ni, mi, NULL, le->type, le_name(le),
le->name_len, &le->id);
if (!attr)
continue;
@@ -831,7 +779,7 @@ int ni_create_attr_list(struct ntfs_inode *ni)
free_b = 0;
attr = NULL;
- for (; (attr = mi_enum_attr(&ni->mi, attr)); le = Add2Ptr(le, sz)) {
+ for (; (attr = mi_enum_attr(ni, &ni->mi, attr)); le = Add2Ptr(le, sz)) {
sz = le_size(attr->name_len);
le->type = attr->type;
le->size = cpu_to_le16(sz);
@@ -886,7 +834,7 @@ int ni_create_attr_list(struct ntfs_inode *ni)
u32 asize = le32_to_cpu(b->size);
u16 name_off = le16_to_cpu(b->name_off);
- attr = mi_insert_attr(mi, b->type, Add2Ptr(b, name_off),
+ attr = mi_insert_attr(ni, mi, b->type, Add2Ptr(b, name_off),
b->name_len, asize, name_off);
if (!attr)
goto out;
@@ -909,7 +857,7 @@ int ni_create_attr_list(struct ntfs_inode *ni)
goto out;
}
- attr = mi_insert_attr(&ni->mi, ATTR_LIST, NULL, 0,
+ attr = mi_insert_attr(ni, &ni->mi, ATTR_LIST, NULL, 0,
lsize + SIZEOF_RESIDENT, SIZEOF_RESIDENT);
if (!attr)
goto out;
@@ -993,13 +941,13 @@ static int ni_ins_attr_ext(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le,
mi = rb_entry(node, struct mft_inode, node);
if (is_mft_data &&
- (mi_enum_attr(mi, NULL) ||
+ (mi_enum_attr(ni, mi, NULL) ||
vbo <= ((u64)mi->rno << sbi->record_bits))) {
/* We can't accept this record 'cause MFT's bootstrapping. */
continue;
}
if (is_mft &&
- mi_find_attr(mi, NULL, ATTR_DATA, NULL, 0, NULL)) {
+ mi_find_attr(ni, mi, NULL, ATTR_DATA, NULL, 0, NULL)) {
/*
* This child record already has a ATTR_DATA.
* So it can't accept any other records.
@@ -1008,7 +956,7 @@ static int ni_ins_attr_ext(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le,
}
if ((type != ATTR_NAME || name_len) &&
- mi_find_attr(mi, NULL, type, name, name_len, NULL)) {
+ mi_find_attr(ni, mi, NULL, type, name, name_len, NULL)) {
/* Only indexed attributes can share same record. */
continue;
}
@@ -1157,7 +1105,7 @@ static int ni_insert_attr(struct ntfs_inode *ni, enum ATTR_TYPE type,
/* Estimate the result of moving all possible attributes away. */
attr = NULL;
- while ((attr = mi_enum_attr(&ni->mi, attr))) {
+ while ((attr = mi_enum_attr(ni, &ni->mi, attr))) {
if (attr->type == ATTR_STD)
continue;
if (attr->type == ATTR_LIST)
@@ -1175,7 +1123,7 @@ static int ni_insert_attr(struct ntfs_inode *ni, enum ATTR_TYPE type,
attr = NULL;
for (;;) {
- attr = mi_enum_attr(&ni->mi, attr);
+ attr = mi_enum_attr(ni, &ni->mi, attr);
if (!attr) {
/* We should never be here 'cause we have already check this case. */
err = -EINVAL;
@@ -1259,7 +1207,7 @@ static int ni_expand_mft_list(struct ntfs_inode *ni)
for (node = rb_first(&ni->mi_tree); node; node = rb_next(node)) {
mi = rb_entry(node, struct mft_inode, node);
- attr = mi_enum_attr(mi, NULL);
+ attr = mi_enum_attr(ni, mi, NULL);
if (!attr) {
mft_min = mi->rno;
@@ -1280,7 +1228,7 @@ static int ni_expand_mft_list(struct ntfs_inode *ni)
ni_remove_mi(ni, mi_new);
}
- attr = mi_find_attr(&ni->mi, NULL, ATTR_DATA, NULL, 0, NULL);
+ attr = mi_find_attr(ni, &ni->mi, NULL, ATTR_DATA, NULL, 0, NULL);
if (!attr) {
err = -EINVAL;
goto out;
@@ -1397,7 +1345,7 @@ int ni_expand_list(struct ntfs_inode *ni)
continue;
/* Find attribute in primary record. */
- attr = rec_find_attr_le(&ni->mi, le);
+ attr = rec_find_attr_le(ni, &ni->mi, le);
if (!attr) {
err = -EINVAL;
goto out;
@@ -1604,8 +1552,8 @@ int ni_delete_all(struct ntfs_inode *ni)
roff = le16_to_cpu(attr->nres.run_off);
if (roff > asize) {
- _ntfs_bad_inode(&ni->vfs_inode);
- return -EINVAL;
+ /* ni_enum_attr_ex checks this case. */
+ continue;
}
/* run==1 means unpack and deallocate. */
@@ -2726,9 +2674,10 @@ int ni_write_frame(struct ntfs_inode *ni, struct page **pages,
{
int err;
struct ntfs_sb_info *sbi = ni->mi.sbi;
+ struct folio *folio = page_folio(pages[0]);
u8 frame_bits = NTFS_LZNT_CUNIT + sbi->cluster_bits;
u32 frame_size = sbi->cluster_size << NTFS_LZNT_CUNIT;
- u64 frame_vbo = (u64)pages[0]->index << PAGE_SHIFT;
+ u64 frame_vbo = folio_pos(folio);
CLST frame = frame_vbo >> frame_bits;
char *frame_ondisk = NULL;
struct page **pages_disk = NULL;
@@ -3054,8 +3003,7 @@ int ni_add_name(struct ntfs_inode *dir_ni, struct ntfs_inode *ni,
* ni_rename - Remove one name and insert new name.
*/
int ni_rename(struct ntfs_inode *dir_ni, struct ntfs_inode *new_dir_ni,
- struct ntfs_inode *ni, struct NTFS_DE *de, struct NTFS_DE *new_de,
- bool *is_bad)
+ struct ntfs_inode *ni, struct NTFS_DE *de, struct NTFS_DE *new_de)
{
int err;
struct NTFS_DE *de2 = NULL;
@@ -3078,8 +3026,8 @@ int ni_rename(struct ntfs_inode *dir_ni, struct ntfs_inode *new_dir_ni,
err = ni_add_name(new_dir_ni, ni, new_de);
if (!err) {
err = ni_remove_name(dir_ni, ni, de, &de2, &undo);
- if (err && ni_remove_name(new_dir_ni, ni, new_de, &de2, &undo))
- *is_bad = true;
+ WARN_ON(err && ni_remove_name(new_dir_ni, ni, new_de, &de2,
+ &undo));
}
/*
@@ -3170,11 +3118,21 @@ static bool ni_update_parent(struct ntfs_inode *ni, struct NTFS_DUP_INFO *dup,
}
}
- /* TODO: Fill reparse info. */
- dup->reparse = 0;
- dup->ea_size = 0;
+ dup->extend_data = 0;
+
+ if (dup->fa & FILE_ATTRIBUTE_REPARSE_POINT) {
+ attr = ni_find_attr(ni, NULL, NULL, ATTR_REPARSE, NULL, 0, NULL,
+ NULL);
+
+ if (attr) {
+ const struct REPARSE_POINT *rp;
- if (ni->ni_flags & NI_FLAG_EA) {
+ rp = resident_data_ex(attr, sizeof(struct REPARSE_POINT));
+ /* If ATTR_REPARSE exists 'rp' can't be NULL. */
+ if (rp)
+ dup->extend_data = rp->ReparseTag;
+ }
+ } else if (ni->ni_flags & NI_FLAG_EA) {
attr = ni_find_attr(ni, attr, &le, ATTR_EA_INFO, NULL, 0, NULL,
NULL);
if (attr) {
@@ -3183,7 +3141,7 @@ static bool ni_update_parent(struct ntfs_inode *ni, struct NTFS_DUP_INFO *dup,
info = resident_data_ex(attr, sizeof(struct EA_INFO));
/* If ATTR_EA_INFO exists 'info' can't be NULL. */
if (info)
- dup->ea_size = info->size_pack;
+ dup->extend_data = info->size;
}
}
@@ -3250,6 +3208,10 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint)
if (is_bad_inode(inode) || sb_rdonly(sb))
return 0;
+ /* Avoid any operation if inode is bad. */
+ if (unlikely(is_bad_ni(ni)))
+ return -EINVAL;
+
if (unlikely(ntfs3_forced_shutdown(sb)))
return -EIO;
@@ -3343,7 +3305,7 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint)
if (!mi->dirty)
continue;
- is_empty = !mi_enum_attr(mi, NULL);
+ is_empty = !mi_enum_attr(ni, mi, NULL);
if (is_empty)
clear_rec_inuse(mi->mrec);
@@ -3378,75 +3340,3 @@ out:
return 0;
}
-
-/*
- * ni_set_compress
- *
- * Helper for 'ntfs_fileattr_set'.
- * Changes compression for empty files and directories only.
- */
-int ni_set_compress(struct inode *inode, bool compr)
-{
- int err;
- struct ntfs_inode *ni = ntfs_i(inode);
- struct ATTR_STD_INFO *std;
- const char *bad_inode;
-
- if (is_compressed(ni) == !!compr)
- return 0;
-
- if (is_sparsed(ni)) {
- /* sparse and compress not compatible. */
- return -EOPNOTSUPP;
- }
-
- if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode)) {
- /*Skip other inodes. (symlink,fifo,...) */
- return -EOPNOTSUPP;
- }
-
- bad_inode = NULL;
-
- ni_lock(ni);
-
- std = ni_std(ni);
- if (!std) {
- bad_inode = "no std";
- goto out;
- }
-
- if (S_ISREG(inode->i_mode)) {
- err = attr_set_compress(ni, compr);
- if (err) {
- if (err == -ENOENT) {
- /* Fix on the fly? */
- /* Each file must contain data attribute. */
- bad_inode = "no data attribute";
- }
- goto out;
- }
- }
-
- ni->std_fa = std->fa;
- if (compr)
- std->fa |= FILE_ATTRIBUTE_COMPRESSED;
- else
- std->fa &= ~FILE_ATTRIBUTE_COMPRESSED;
-
- if (ni->std_fa != std->fa) {
- ni->std_fa = std->fa;
- ni->mi.dirty = true;
- }
- /* update duplicate information and directory entries in ni_write_inode.*/
- ni->ni_flags |= NI_FLAG_UPDATE_PARENT;
- err = 0;
-
-out:
- ni_unlock(ni);
- if (bad_inode) {
- ntfs_bad_inode(inode, bad_inode);
- err = -EINVAL;
- }
-
- return err;
-}