diff options
| -rw-r--r-- | fs/gfs2/ops_file.c | 74 | ||||
| -rw-r--r-- | include/linux/Kbuild | 1 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 | ||||
| -rw-r--r-- | include/linux/iflags.h | 102 |
4 files changed, 49 insertions, 130 deletions
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index fafa48b9105e..3064f133bf3c 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c | |||
| @@ -21,7 +21,6 @@ | |||
| 21 | #include <linux/gfs2_ondisk.h> | 21 | #include <linux/gfs2_ondisk.h> |
| 22 | #include <linux/ext2_fs.h> | 22 | #include <linux/ext2_fs.h> |
| 23 | #include <linux/crc32.h> | 23 | #include <linux/crc32.h> |
| 24 | #include <linux/iflags.h> | ||
| 25 | #include <linux/lm_interface.h> | 24 | #include <linux/lm_interface.h> |
| 26 | #include <asm/uaccess.h> | 25 | #include <asm/uaccess.h> |
| 27 | 26 | ||
| @@ -201,27 +200,48 @@ static int gfs2_readdir(struct file *file, void *dirent, filldir_t filldir) | |||
| 201 | return error; | 200 | return error; |
| 202 | } | 201 | } |
| 203 | 202 | ||
| 203 | /** | ||
| 204 | * fsflags_cvt | ||
| 205 | * @table: A table of 32 u32 flags | ||
| 206 | * @val: a 32 bit value to convert | ||
| 207 | * | ||
| 208 | * This function can be used to convert between fsflags values and | ||
| 209 | * GFS2's own flags values. | ||
| 210 | * | ||
| 211 | * Returns: the converted flags | ||
| 212 | */ | ||
| 213 | static u32 fsflags_cvt(const u32 *table, u32 val) | ||
| 214 | { | ||
| 215 | u32 res = 0; | ||
| 216 | while(val) { | ||
| 217 | if (val & 1) | ||
| 218 | res |= *table; | ||
| 219 | table++; | ||
| 220 | val >>= 1; | ||
| 221 | } | ||
| 222 | return res; | ||
| 223 | } | ||
| 204 | 224 | ||
| 205 | static const u32 iflags_to_gfs2[32] = { | 225 | static const u32 fsflags_to_gfs2[32] = { |
| 206 | [iflag_Sync] = GFS2_DIF_SYNC, | 226 | [3] = GFS2_DIF_SYNC, |
| 207 | [iflag_Immutable] = GFS2_DIF_IMMUTABLE, | 227 | [4] = GFS2_DIF_IMMUTABLE, |
| 208 | [iflag_Append] = GFS2_DIF_APPENDONLY, | 228 | [5] = GFS2_DIF_APPENDONLY, |
| 209 | [iflag_NoAtime] = GFS2_DIF_NOATIME, | 229 | [7] = GFS2_DIF_NOATIME, |
| 210 | [iflag_Index] = GFS2_DIF_EXHASH, | 230 | [12] = GFS2_DIF_EXHASH, |
| 211 | [iflag_JournalData] = GFS2_DIF_JDATA, | 231 | [14] = GFS2_DIF_JDATA, |
| 212 | [iflag_DirectIO] = GFS2_DIF_DIRECTIO, | 232 | [20] = GFS2_DIF_DIRECTIO, |
| 213 | }; | 233 | }; |
| 214 | 234 | ||
| 215 | static const u32 gfs2_to_iflags[32] = { | 235 | static const u32 gfs2_to_fsflags[32] = { |
| 216 | [gfs2fl_Sync] = IFLAG_SYNC, | 236 | [gfs2fl_Sync] = FS_SYNC_FL, |
| 217 | [gfs2fl_Immutable] = IFLAG_IMMUTABLE, | 237 | [gfs2fl_Immutable] = FS_IMMUTABLE_FL, |
| 218 | [gfs2fl_AppendOnly] = IFLAG_APPEND, | 238 | [gfs2fl_AppendOnly] = FS_APPEND_FL, |
| 219 | [gfs2fl_NoAtime] = IFLAG_NOATIME, | 239 | [gfs2fl_NoAtime] = FS_NOATIME_FL, |
| 220 | [gfs2fl_ExHash] = IFLAG_INDEX, | 240 | [gfs2fl_ExHash] = FS_INDEX_FL, |
| 221 | [gfs2fl_Jdata] = IFLAG_JOURNAL_DATA, | 241 | [gfs2fl_Jdata] = FS_JOURNAL_DATA_FL, |
| 222 | [gfs2fl_Directio] = IFLAG_DIRECTIO, | 242 | [gfs2fl_Directio] = FS_DIRECTIO_FL, |
| 223 | [gfs2fl_InheritDirectio] = IFLAG_DIRECTIO, | 243 | [gfs2fl_InheritDirectio] = FS_DIRECTIO_FL, |
| 224 | [gfs2fl_InheritJdata] = IFLAG_JOURNAL_DATA, | 244 | [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL, |
| 225 | }; | 245 | }; |
| 226 | 246 | ||
| 227 | static int gfs2_get_flags(struct file *filp, u32 __user *ptr) | 247 | static int gfs2_get_flags(struct file *filp, u32 __user *ptr) |
| @@ -230,15 +250,15 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr) | |||
| 230 | struct gfs2_inode *ip = GFS2_I(inode); | 250 | struct gfs2_inode *ip = GFS2_I(inode); |
| 231 | struct gfs2_holder gh; | 251 | struct gfs2_holder gh; |
| 232 | int error; | 252 | int error; |
| 233 | u32 iflags; | 253 | u32 fsflags; |
| 234 | 254 | ||
| 235 | gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh); | 255 | gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh); |
| 236 | error = gfs2_glock_nq_m_atime(1, &gh); | 256 | error = gfs2_glock_nq_m_atime(1, &gh); |
| 237 | if (error) | 257 | if (error) |
| 238 | return error; | 258 | return error; |
| 239 | 259 | ||
| 240 | iflags = iflags_cvt(gfs2_to_iflags, ip->i_di.di_flags); | 260 | fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_di.di_flags); |
| 241 | if (put_user(iflags, ptr)) | 261 | if (put_user(fsflags, ptr)) |
| 242 | error = -EFAULT; | 262 | error = -EFAULT; |
| 243 | 263 | ||
| 244 | gfs2_glock_dq_m(1, &gh); | 264 | gfs2_glock_dq_m(1, &gh); |
| @@ -327,19 +347,19 @@ out: | |||
| 327 | 347 | ||
| 328 | static int gfs2_set_flags(struct file *filp, u32 __user *ptr) | 348 | static int gfs2_set_flags(struct file *filp, u32 __user *ptr) |
| 329 | { | 349 | { |
| 330 | u32 iflags, gfsflags; | 350 | u32 fsflags, gfsflags; |
| 331 | if (get_user(iflags, ptr)) | 351 | if (get_user(fsflags, ptr)) |
| 332 | return -EFAULT; | 352 | return -EFAULT; |
| 333 | gfsflags = iflags_cvt(iflags_to_gfs2, iflags); | 353 | gfsflags = fsflags_cvt(fsflags_to_gfs2, fsflags); |
| 334 | return do_gfs2_set_flags(filp, gfsflags, ~0); | 354 | return do_gfs2_set_flags(filp, gfsflags, ~0); |
| 335 | } | 355 | } |
| 336 | 356 | ||
| 337 | static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) | 357 | static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) |
| 338 | { | 358 | { |
| 339 | switch(cmd) { | 359 | switch(cmd) { |
| 340 | case IFLAGS_GET_IOC: | 360 | case FS_IOC_GETFLAGS: |
| 341 | return gfs2_get_flags(filp, (u32 __user *)arg); | 361 | return gfs2_get_flags(filp, (u32 __user *)arg); |
| 342 | case IFLAGS_SET_IOC: | 362 | case FS_IOC_SETFLAGS: |
| 343 | return gfs2_set_flags(filp, (u32 __user *)arg); | 363 | return gfs2_set_flags(filp, (u32 __user *)arg); |
| 344 | } | 364 | } |
| 345 | return -ENOTTY; | 365 | return -ENOTTY; |
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 839a97ee1f7c..15667cc947d5 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild | |||
| @@ -223,7 +223,6 @@ unifdef-y += hpet.h | |||
| 223 | unifdef-y += i2c.h | 223 | unifdef-y += i2c.h |
| 224 | unifdef-y += i2o-dev.h | 224 | unifdef-y += i2o-dev.h |
| 225 | unifdef-y += icmpv6.h | 225 | unifdef-y += icmpv6.h |
| 226 | unifdef-y += iflags.h | ||
| 227 | unifdef-y += if_bridge.h | 226 | unifdef-y += if_bridge.h |
| 228 | unifdef-y += if_ec.h | 227 | unifdef-y += if_ec.h |
| 229 | unifdef-y += if_eql.h | 228 | unifdef-y += if_eql.h |
diff --git a/include/linux/fs.h b/include/linux/fs.h index 2e29a2edaeec..bc0e645abb80 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h | |||
| @@ -250,6 +250,8 @@ extern int dir_notify_enable; | |||
| 250 | #define FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */ | 250 | #define FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */ |
| 251 | #define FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ | 251 | #define FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ |
| 252 | #define FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ | 252 | #define FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ |
| 253 | #define FS_EXTENT_FL 0x00080000 /* Extents */ | ||
| 254 | #define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */ | ||
| 253 | #define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ | 255 | #define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ |
| 254 | 256 | ||
| 255 | #define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ | 257 | #define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ |
diff --git a/include/linux/iflags.h b/include/linux/iflags.h deleted file mode 100644 index 5b27102dfeaf..000000000000 --- a/include/linux/iflags.h +++ /dev/null | |||
| @@ -1,102 +0,0 @@ | |||
| 1 | #ifndef _LINUX_IFLAGS_H | ||
| 2 | #define _LINUX_IFLAGS_H | ||
| 3 | |||
| 4 | /* | ||
| 5 | * A universal set of inode flags. | ||
| 6 | * | ||
| 7 | * Originally taken from ext2/3 with additions for other filesystems. | ||
| 8 | * Filesystems supporting this interface should interoperate with | ||
| 9 | * the lsattr and chattr command line tools. | ||
| 10 | * | ||
| 11 | * This interface is supported in whole or in part by: | ||
| 12 | * ext2 | ||
| 13 | * ext3 | ||
| 14 | * xfs | ||
| 15 | * jfs | ||
| 16 | * gfs2 | ||
| 17 | * | ||
| 18 | */ | ||
| 19 | |||
| 20 | #define IFLAGS_GET_IOC _IOR('f', 1, long) | ||
| 21 | #define IFLAGS_SET_IOC _IOW('f', 2, long) | ||
| 22 | |||
| 23 | /* | ||
| 24 | * These values are provided for use as indices of an array | ||
| 25 | * for use with the iflags_cvt function below | ||
| 26 | */ | ||
| 27 | enum { | ||
| 28 | iflag_SecureRm = 0, /* Secure deletion */ | ||
| 29 | iflag_Unrm = 1, /* Undelete */ | ||
| 30 | iflag_Compress = 2, /* Compress file */ | ||
| 31 | iflag_Sync = 3, /* Synchronous updates */ | ||
| 32 | iflag_Immutable = 4, /* Immutable */ | ||
| 33 | iflag_Append = 5, /* Append */ | ||
| 34 | iflag_NoDump = 6, /* Don't dump file */ | ||
| 35 | iflag_NoAtime = 7, /* No atime updates */ | ||
| 36 | /* Reserved for compression usage */ | ||
| 37 | iflag_Dirty = 8, | ||
| 38 | iflag_ComprBlk = 9, /* One or more compressed clusters */ | ||
| 39 | iflag_NoComp = 10, /* Don't compress */ | ||
| 40 | iflag_Ecompr = 11, /* Compression error */ | ||
| 41 | /* End of compression flags */ | ||
| 42 | iflag_Btree = 12, /* btree format dir */ | ||
| 43 | iflag_Index = 12, /* hash-indexed directory */ | ||
| 44 | iflag_Imagic = 13, /* AFS directory */ | ||
| 45 | iflag_JournalData = 14, /* file data should be journaled */ | ||
| 46 | iflag_NoTail = 15, /* file tail should not be merged */ | ||
| 47 | iflag_DirSync = 16, /* dirsync behaviour */ | ||
| 48 | iflag_TopDir = 17, /* Top of directory hierarchies */ | ||
| 49 | iflag_Extent = 19, /* Extents */ | ||
| 50 | iflag_DirectIO = 20, /* Always use direct I/O on this file */ | ||
| 51 | iflag_Reserved = 31 /* reserved for ext2/3 lib */ | ||
| 52 | }; | ||
| 53 | |||
| 54 | #define __IFL(x) (1<<(iflag_##x)) | ||
| 55 | #define IFLAG_SECRM __IFL(SecureRm) /* 0x00000001 */ | ||
| 56 | #define IFLAG_UNRM __IFL(Unrm) /* 0x00000002 */ | ||
| 57 | #define IFLAG_COMPR __IFL(Compr) /* 0x00000004 */ | ||
| 58 | #define IFLAG_SYNC __IFL(Sync) /* 0x00000008 */ | ||
| 59 | #define IFLAG_IMMUTABLE __IFL(Immutable) /* 0x00000010 */ | ||
| 60 | #define IFLAG_APPEND __IFL(Append) /* 0x00000020 */ | ||
| 61 | #define IFLAG_NODUMP __IFL(NoDump) /* 0x00000040 */ | ||
| 62 | #define IFLAG_NOATIME __IFL(NoAtime) /* 0x00000080 */ | ||
| 63 | #define IFLAG_DIRTY __IFL(Dirty) /* 0x00000100 */ | ||
| 64 | #define IFLAG_COMPRBLK __IFL(ComprBlk) /* 0x00000200 */ | ||
| 65 | #define IFLAG_NOCOMP __IFL(NoComp) /* 0x00000400 */ | ||
| 66 | #define IFLAG_ECOMPR __IFL(Ecompr) /* 0x00000800 */ | ||
| 67 | #define IFLAG_BTREE __IFL(Btree) /* 0x00001000 */ | ||
| 68 | #define IFLAG_INDEX __IFL(Index) /* 0x00001000 */ | ||
| 69 | #define IFLAG_IMAGIC __IFL(Imagic) /* 0x00002000 */ | ||
| 70 | #define IFLAG_JOURNAL_DATA __IFL(JournalData) /* 0x00004000 */ | ||
| 71 | #define IFLAG_NOTAIL __IFL(NoTail) /* 0x00008000 */ | ||
| 72 | #define IFLAG_DIRSYNC __IFL(DirSync) /* 0x00010000 */ | ||
| 73 | #define IFLAG_TOPDIR __IFL(TopDir) /* 0x00020000 */ | ||
| 74 | #define IFLAG_EXTENT __IFL(Extent) /* 0x00080000 */ | ||
| 75 | #define IFLAG_DIRECTIO __IFL(DirectIO) /* 0x00100000 */ | ||
| 76 | #define IFLAG_RESERVED __IFL(Reserved) /* 0x80000000 */ | ||
| 77 | |||
| 78 | #ifdef __KERNEL__ | ||
| 79 | /** | ||
| 80 | * iflags_cvt | ||
| 81 | * @table: A table of 32 u32 flags | ||
| 82 | * @val: a 32 bit value to convert | ||
| 83 | * | ||
| 84 | * This function can be used to convert between IFLAGS values and | ||
| 85 | * the filesystem's own flags values. | ||
| 86 | * | ||
| 87 | * Returns: the converted flags | ||
| 88 | */ | ||
| 89 | static inline u32 iflags_cvt(const u32 *table, u32 val) | ||
| 90 | { | ||
| 91 | u32 res = 0; | ||
| 92 | while(val) { | ||
| 93 | if (val & 1) | ||
| 94 | res |= *table; | ||
| 95 | table++; | ||
| 96 | val >>= 1; | ||
| 97 | } | ||
| 98 | return res; | ||
| 99 | } | ||
| 100 | #endif /* __KERNEL__ */ | ||
| 101 | |||
| 102 | #endif /* _LINUX_IFLAGS_H */ | ||
