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author | Pavel Tikhomirov <ptikhomirov@virtuozzo.com> | 2020-10-13 17:59:53 +0300 |
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committer | Miklos Szeredi <mszeredi@redhat.com> | 2020-11-12 13:31:55 +0300 |
commit | 1cdb0cb662f890ff34382ceb1fa917917d3bc305 (patch) | |
tree | a1963afbec96fedf0e25d08b61422a7095e34733 /fs/overlayfs/export.c | |
parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
download | linux-1cdb0cb662f890ff34382ceb1fa917917d3bc305.tar.xz |
ovl: propagate ovl_fs to ovl_decode_real_fh and ovl_encode_real_fh
This will be used in next patch to be able to change uuid checks and add
uuid nullification based on ofs->config.index for a new "uuid=off" mode.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/export.c')
-rw-r--r-- | fs/overlayfs/export.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c index ed35be3fafc6..41ebf52f1bbc 100644 --- a/fs/overlayfs/export.c +++ b/fs/overlayfs/export.c @@ -211,7 +211,8 @@ static int ovl_check_encode_origin(struct dentry *dentry) return 1; } -static int ovl_dentry_to_fid(struct dentry *dentry, u32 *fid, int buflen) +static int ovl_dentry_to_fid(struct ovl_fs *ofs, struct dentry *dentry, + u32 *fid, int buflen) { struct ovl_fh *fh = NULL; int err, enc_lower; @@ -226,7 +227,7 @@ static int ovl_dentry_to_fid(struct dentry *dentry, u32 *fid, int buflen) goto fail; /* Encode an upper or lower file handle */ - fh = ovl_encode_real_fh(enc_lower ? ovl_dentry_lower(dentry) : + fh = ovl_encode_real_fh(ofs, enc_lower ? ovl_dentry_lower(dentry) : ovl_dentry_upper(dentry), !enc_lower); if (IS_ERR(fh)) return PTR_ERR(fh); @@ -249,6 +250,7 @@ fail: static int ovl_encode_fh(struct inode *inode, u32 *fid, int *max_len, struct inode *parent) { + struct ovl_fs *ofs = OVL_FS(inode->i_sb); struct dentry *dentry; int bytes, buflen = *max_len << 2; @@ -260,7 +262,7 @@ static int ovl_encode_fh(struct inode *inode, u32 *fid, int *max_len, if (WARN_ON(!dentry)) return FILEID_INVALID; - bytes = ovl_dentry_to_fid(dentry, fid, buflen); + bytes = ovl_dentry_to_fid(ofs, dentry, fid, buflen); dput(dentry); if (bytes <= 0) return FILEID_INVALID; @@ -680,7 +682,7 @@ static struct dentry *ovl_upper_fh_to_d(struct super_block *sb, if (!ovl_upper_mnt(ofs)) return ERR_PTR(-EACCES); - upper = ovl_decode_real_fh(fh, ovl_upper_mnt(ofs), true); + upper = ovl_decode_real_fh(ofs, fh, ovl_upper_mnt(ofs), true); if (IS_ERR_OR_NULL(upper)) return upper; |