Searched refs:fiemap (Results 1 – 25 of 36) sorted by relevance
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| /Linux-v5.15/Documentation/filesystems/ |
| D | fiemap.rst | 7 The fiemap ioctl is an efficient method for userspace to get file
8 extent mappings. Instead of block-by-block mapping (such as bmap), fiemap
15 A fiemap request is encoded within struct fiemap::
17 struct fiemap {
44 fiemap interface to grow in the future but without losing
68 which userspace must allocate along with the fiemap structure. The
102 the file so that the process making fiemap calls can determine when no
123 (via fiemap->fm_length).
182 File systems wishing to support fiemap must implement a ->fiemap callback on
183 their inode_operations structure. The fs ->fiemap call is responsible for
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| D | index.rst | 29 fiemap
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| D | locking.rst | 77 int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len);
109 fiemap: no
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| /Linux-v5.15/fs/ |
| D | ioctl.c | 199 static int ioctl_fiemap(struct file *filp, struct fiemap __user *ufiemap) in ioctl_fiemap()
201 struct fiemap fiemap; in ioctl_fiemap() local
206 if (!inode->i_op->fiemap) in ioctl_fiemap()
209 if (copy_from_user(&fiemap, ufiemap, sizeof(fiemap))) in ioctl_fiemap()
212 if (fiemap.fm_extent_count > FIEMAP_MAX_EXTENTS) in ioctl_fiemap()
215 fieinfo.fi_flags = fiemap.fm_flags; in ioctl_fiemap()
216 fieinfo.fi_extents_max = fiemap.fm_extent_count; in ioctl_fiemap()
219 error = inode->i_op->fiemap(inode, &fieinfo, fiemap.fm_start, in ioctl_fiemap()
220 fiemap.fm_length); in ioctl_fiemap()
222 fiemap.fm_flags = fieinfo.fi_flags; in ioctl_fiemap()
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| D | bad_inode.c | 181 .fiemap = bad_inode_fiemap,
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| /Linux-v5.15/fs/ext4/ |
| D | ioctl.c | 776 struct fiemap fiemap; in ext4_ioctl_get_es_cache() local
777 struct fiemap __user *ufiemap = (struct fiemap __user *) arg; in ext4_ioctl_get_es_cache()
782 if (copy_from_user(&fiemap, ufiemap, sizeof(fiemap))) in ext4_ioctl_get_es_cache()
785 if (fiemap.fm_extent_count > FIEMAP_MAX_EXTENTS) in ext4_ioctl_get_es_cache()
788 fieinfo.fi_flags = fiemap.fm_flags; in ext4_ioctl_get_es_cache()
789 fieinfo.fi_extents_max = fiemap.fm_extent_count; in ext4_ioctl_get_es_cache()
792 error = ext4_get_es_cache(inode, &fieinfo, fiemap.fm_start, in ext4_ioctl_get_es_cache()
793 fiemap.fm_length); in ext4_ioctl_get_es_cache()
794 fiemap.fm_flags = fieinfo.fi_flags; in ext4_ioctl_get_es_cache()
795 fiemap.fm_mapped_extents = fieinfo.fi_extents_mapped; in ext4_ioctl_get_es_cache()
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| D | file.c | 940 .fiemap = ext4_fiemap,
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| /Linux-v5.15/fs/iomap/ |
| D | Makefile | 14 fiemap.o \
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| /Linux-v5.15/include/uapi/linux/ |
| D | fiemap.h | 28 struct fiemap { struct
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| D | fs.h | 209 #define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap)
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| /Linux-v5.15/fs/ocfs2/ |
| D | symlink.c | 92 .fiemap = ocfs2_fiemap,
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| /Linux-v5.15/fs/nilfs2/ |
| D | file.c | 150 .fiemap = nilfs_fiemap,
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| D | namei.c | 553 .fiemap = nilfs_fiemap,
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| /Linux-v5.15/fs/ext2/ |
| D | file.c | 205 .fiemap = ext2_fiemap,
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| /Linux-v5.15/tools/include/uapi/linux/ |
| D | fs.h | 209 #define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap)
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| /Linux-v5.15/fs/overlayfs/ |
| D | inode.c | 493 if (!realinode->i_op->fiemap) in ovl_fiemap()
497 err = realinode->i_op->fiemap(realinode, fieinfo, start, len); in ovl_fiemap()
640 .fiemap = ovl_fiemap,
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| /Linux-v5.15/fs/erofs/ |
| D | namei.c | 248 .fiemap = erofs_fiemap,
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| D | inode.c | 385 .fiemap = erofs_fiemap,
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| /Linux-v5.15/fs/hpfs/ |
| D | file.c | 274 .fiemap = hpfs_fiemap,
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| /Linux-v5.15/fs/ntfs3/ |
| D | namei.c | 377 .fiemap = ntfs_fiemap,
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| D | file.c | 1234 .fiemap = ntfs_fiemap,
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| /Linux-v5.15/Documentation/admin-guide/cifs/ |
| D | todo.rst | 21 b) improved sparse file support (fiemap and SEEK_HOLE are implemented
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| /Linux-v5.15/fs/gfs2/ |
| D | inode.c | 2154 .fiemap = gfs2_fiemap,
2176 .fiemap = gfs2_fiemap,
2191 .fiemap = gfs2_fiemap,
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| /Linux-v5.15/fs/xfs/ |
| D | xfs_iops.c | 1185 .fiemap = xfs_vn_fiemap,
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| /Linux-v5.15/fs/f2fs/ |
| D | namei.c | 1359 .fiemap = f2fs_fiemap,
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